openaire-library/searchPages/searchProjects.component.ts

348 lines
14 KiB
TypeScript

import {Component, EventEmitter, Input, Output, ViewChild} from '@angular/core';
import {ActivatedRoute} from '@angular/router';
import {AdvancedField, Filter} from './searchUtils/searchHelperClasses.class';
import {SearchProjectsService} from '../services/searchProjects.service';
import {ErrorCodes} from '../utils/properties/errorCodes';
import {ErrorMessagesComponent} from '../utils/errorMessages.component';
import {OpenaireEntities, SearchFields} from '../utils/properties/searchFields';
import {SearchCustomFilter, SearchUtilsClass} from './searchUtils/searchUtils.class';
import {EnvProperties} from '../utils/properties/env-properties';
import {NewSearchPageComponent, SearchForm} from "./searchUtils/newSearchPage.component";
import {RangeFilter} from "../utils/rangeFilter/rangeFilterHelperClasses.class";
import {properties} from "../../../environments/environment";
@Component({
selector: 'search-projects',
template: `
<new-search-page
pageTitle="{{(simpleView?'':'Advanced ')}} Search for {{ openaireEntities.PROJECTS | titlecase }}"
entityType="project"
[type]="openaireEntities.PROJECTS"
[results]="results"
[searchUtils]="searchUtils"
[sortedByChanged]="searchUtils.sortBy"
[fieldIds]="fieldIds" [fieldIdsMap]="fieldIdsMap" [selectedFields]="selectedFields"
[csvParams]="csvParams" [csvPath]="openaireEntities.PROJECTS_FILE"
[simpleSearchLink]="simpleSearchLink" [advancedSearchLink]="advancedSearchLink"
[disableForms]="disableForms"
[disableRefineForms]="disableRefineForms"
[loadPaging]="loadPaging"
[oldTotalResults]="oldTotalResults"
[openaireLink]=openaireLink [hasPrefix]="hasPrefix"
[searchForm]="searchForm"
[includeOnlyResultsAndFilter]="includeOnlyResultsAndFilter"
[filters]="filters"
[rangeFilters]="rangeFilters" [rangeFields]="rangeFields"
[simpleView]="simpleView" formPlaceholderText="Search by title, acronym, project code..."
[showSwitchSearchLink]="showSwitchSearchLink"
[sort]="false" [showBreadcrumb]="showBreadcrumb"
>
</new-search-page>
`
})
export class SearchProjectsComponent {
private errorCodes: ErrorCodes;
private errorMessages: ErrorMessagesComponent;
@Input() customFilters: SearchCustomFilter[] = null;
@Input()
set customFilter(customFilter: SearchCustomFilter | SearchCustomFilter[]) {
if(!Array.isArray(customFilter)) {
this.customFilters = [customFilter];
}else{
this.customFilters = customFilter;
}
} @Input() searchForm: SearchForm = {class: 'search-form', dark: true};
public results = [];
public filters = [];
public rangeFilters: RangeFilter[] = [];
public searchUtils: SearchUtilsClass = new SearchUtilsClass();
public searchFields: SearchFields = new SearchFields();
public fieldIds: string[] = this.searchFields.PROJECT_ADVANCED_FIELDS;
public fieldIdsMap = this.searchFields.PROJECT_FIELDS;
public rangeFields: string[][] = this.searchFields.PROJECT_RANGE_FIELDS;
public selectedFields: AdvancedField[] = [];
properties: EnvProperties;
public openaireEntities = OpenaireEntities;
public resourcesQuery = "(oaftype exact project)";
public csvParams: string;
public disableForms: boolean = false;
public disableRefineForms: boolean = false;
public loadPaging: boolean = true;
public oldTotalResults: number = 0;
public pagingLimit: number = 0;
public refineFields: string[] = this.searchFields.PROJECT_REFINE_FIELDS;
@ViewChild(NewSearchPageComponent, {static: true}) searchPage: NewSearchPageComponent;
@Input() simpleView: boolean = true;
@Input() simpleSearchLink: string = "";
advancedSearchLink: string = "";
@Input() hasPrefix: boolean = true;
@Input() openaireLink: string = null;
@Input() includeOnlyResultsAndFilter: boolean = false;
@Output() searchPageUpdates = new EventEmitter();
@Input() showSwitchSearchLink: boolean = true;
@Input() showBreadcrumb: boolean = false;
subs: any[] = [];
searchResultsSub: any;
searchFiltersSub: any;
constructor(private route: ActivatedRoute, private _searchProjectsService: SearchProjectsService) {
this.results = [];
this.errorCodes = new ErrorCodes();
this.errorMessages = new ErrorMessagesComponent();
this.searchUtils.status = this.errorCodes.LOADING;
this.searchUtils.refineStatus = this.errorCodes.LOADING;
this.searchFields.sortFieldsByName(this.fieldIds, this.fieldIdsMap);
}
ngOnInit() {
this.properties = properties;
if (!this.simpleSearchLink) {
this.simpleSearchLink = this.properties.searchLinkToProjects;
}
this.advancedSearchLink = this.properties.searchLinkToAdvancedProjects;
this.searchUtils.baseUrl = (this.simpleView) ? this.simpleSearchLink : this.advancedSearchLink;
this.pagingLimit = properties.pagingLimit;
this.searchUtils.status = this.errorCodes.LOADING;
var firstLoad = true;
this.subs.push(this.route.queryParams.subscribe(params => {
this.loadPaging = true;
if (params['page'] && this.searchUtils.page != params['page']) {
this.loadPaging = false;
this.oldTotalResults = this.searchUtils.totalResults;
}
var refine = true;
if (this.searchPage.searchUtils.refineStatus == this.errorCodes.DONE) {
if (params['page'] != undefined && this.filters && !firstLoad && this.searchUtils.page != +params['page']) {
refine = false;
}
if (params['size'] != undefined && this.filters && !firstLoad && this.searchUtils.size != params['size']) {
refine = false;
}
}
let page = (params['page'] === undefined) ? 1 : +params['page'];
this.searchUtils.page = (page <= 0) ? 1 : page;
this.searchUtils.validateSize(params['size']);
this.searchPage.fieldIds = this.fieldIds;
this.selectedFields = [];
this.searchPage.prepareSearchPage(this.fieldIds, this.selectedFields, this.refineFields, this.rangeFields, this.fieldIdsMap, this.customFilters, params, "project");
if (refine) {
this._getFilters(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(), this.searchUtils.page, 0, "", true, this.searchPage.getSearchAPIQueryForRangeFields(params) + this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
} else {
this.searchUtils.refineStatus = this.errorCodes.DONE;
}
this.getResults(this.searchPage.getSearchAPIQueryForAdvancedSearhFields(), this.searchUtils.page, this.searchUtils.size, refine, this.searchPage.getSearchAPIQueryForRangeFields(params) + this.searchPage.getSearchAPIQueryForRefineFields(params, firstLoad));
firstLoad = false;
}));
}
ngOnDestroy() {
if (this.searchResultsSub) {
this.searchResultsSub.unsubscribe();
}
if (this.searchFiltersSub) {
this.searchFiltersSub.unsubscribe();
}
for (let sub of this.subs) {
sub.unsubscribe();
}
}
public _getFilters(parameters: string, page: number, size: number, sortBy: string, refine: boolean, refineFieldsFilterQuery = null) {
if (page <= this.pagingLimit || this.searchUtils.refineStatus == this.errorCodes.LOADING) {
this.searchUtils.refineStatus = this.errorCodes.LOADING;
this.disableRefineForms = true;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
});
this.searchFiltersSub = this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties, (refine) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery)
//.switchMap(
.subscribe(
data => {
let totalResults = data[0];
let filters = data[2];
this.filtersReturned(refine, filters, totalResults, page);
},
err => {
this.filters = this.searchPage.prepareFiltersToShow([], 0);
this.rangeFilters = this.searchPage.prepareRangeFiltersToShow();
this.handleError("Error getting refine filters for projects: ", err);
this.searchUtils.refineStatus = this.errorMessages.getErrorCode(err.status);
this.disableRefineForms = false;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
})
}
);
}
}
public filtersReturned(refine: boolean, filters: Filter[], totalResults, page: number) {
if (refine) {
this.filters = this.searchPage.prepareFiltersToShow(filters, totalResults);
this.rangeFilters = this.searchPage.prepareRangeFiltersToShow();
}
this.searchUtils.refineStatus = this.errorCodes.DONE;
if (totalResults == 0) {
this.searchUtils.refineStatus = this.errorCodes.NONE;
}
if (this.searchUtils.refineStatus == this.errorCodes.DONE) {
// Page out of limit!!!
let totalPages: any = totalResults / (this.searchUtils.size);
if (!(Number.isInteger(totalPages))) {
totalPages = (parseInt(totalPages, 10) + 1);
}
if (totalPages < page) {
this.searchUtils.refineStatus = this.errorCodes.OUT_OF_BOUND;
}
}
if (this.searchUtils.refineStatus != this.errorCodes.DONE && this.searchUtils.status != this.searchUtils.refineStatus) {
if (this.searchResultsSub) {
this.searchResultsSub.unsubscribe();
}
this.resultsReturned(refine, [], totalResults, page);
}
this.disableRefineForms = false;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
})
}
public getResults(parameters: string, page: number, size: number, refine: boolean, refineFieldsFilterQuery = null) {
if (page > this.pagingLimit) {
size = 0;
}
if (page <= this.pagingLimit || this.searchUtils.status == this.errorCodes.LOADING) {
// if(parameters!= null && parameters != '' ) {
// this.csvParams ="&fq=( "+this.resourcesQuery + "and (" + parameters + "))";
// }else{
// this.csvParams ="&fq="+this.resourcesQuery;
// }
// this.csvParams += (refineFieldsFilterQuery?refineFieldsFilterQuery:'');
//
// //var errorCodes:ErrorCodes = new ErrorCodes();
this.csvParams = (parameters ? ("&fq=(" + parameters) : "") + (parameters ? ")" : "");
this.csvParams += (refineFieldsFilterQuery ? refineFieldsFilterQuery : "");
this.searchUtils.status = this.errorCodes.LOADING;
//this.searchPage.openLoading();
this.disableForms = true;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
});
this.results = [];
this.searchUtils.totalResults = 0;
//console.info("Advanced Search for Publications: Execute search query "+parameters);
this.searchResultsSub = this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties, null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe(
//this._searchProjectsService.advancedSearchProjects(parameters, page, size, this.properties,(refine) ? this.searchPage.getRefineFieldsQuery() : null, this.searchPage.getFields(), refineFieldsFilterQuery).subscribe(
data => {
let totalResults = data[0];
let results = data[1];
this.resultsReturned(refine, results, totalResults, page);
},
err => {
//console.log(err);
this.handleError("Error getting projects", err);
this.searchUtils.status = this.errorMessages.getErrorCode(err.status);
//this.searchUtils.totalResults = null;
//TODO check erros (service not available, bad request)
// if( ){
// this.searchUtils.status = errorCodes.ERROR;
// }
//var errorCodes:ErrorCodes = new ErrorCodes();
//this.searchUtils.status = errorCodes.NOT_AVAILABLE;
/*if(err.status == '404') {
this.searchUtils.status = this.errorCodes.NOT_FOUND;
} else if(err.status == '500') {
this.searchUtils.status = this.errorCodes.ERROR;
} else {
this.searchUtils.status = this.errorCodes.NOT_AVAILABLE;
}*/
//this.searchPage.closeLoading();
this.disableForms = false;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
})
this.searchPage.hideFilters = false;
}
);
}
}
public resultsReturned(refine: boolean, results: any, totalResults, page: number) {
this.searchUtils.totalResults = totalResults;
this.results = results;
if (!refine) {
this.searchPage.buildPageURLParameters(this.filters, this.rangeFilters, false);
}
this.searchPage.hideFilters = false;
this.searchUtils.status = this.errorCodes.DONE;
if (this.searchUtils.totalResults == 0) {
this.searchUtils.status = this.errorCodes.NONE;
}
if (this.searchUtils.status == this.errorCodes.DONE) {
// Page out of limit!!!
let totalPages: any = this.searchUtils.totalResults / (this.searchUtils.size);
if (!(Number.isInteger(totalPages))) {
totalPages = (parseInt(totalPages, 10) + 1);
}
if (totalPages < page) {
this.searchUtils.totalResults = 0;
this.searchUtils.status = this.errorCodes.OUT_OF_BOUND;
}
}
if (this.searchUtils.status != this.errorCodes.DONE && this.searchUtils.refineStatus != this.searchUtils.status) {
if (this.searchFiltersSub) {
this.searchFiltersSub.unsubscribe();
}
this.filtersReturned(refine, [], totalResults, page);
}
this.disableForms = false;
this.searchPageUpdates.emit({
disableForms: this.disableForms,
disableRefineForms: this.disableRefineForms,
searchUtils: this.searchUtils
})
}
private handleError(message: string, error) {
console.error("Projects advanced Search Page: " + message, error);
}
}